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  1. maxamize

    zero-crossover

    What are the advantages or disadvantages of using zero-crossover ssrs for induction motor start testing? How high should amperage rating of relay be for 80 amp LRC motor. What differences can I expect to see versus standard machanical relays?
  2. maxamize

    Hipot vs Megger

    I test terminal connectors for 480v 3ph motors with 2200v AC Hipot. Some persons contend that a 500vDC megger with a minimum allowable resistance of 100Mohm will find cracks or shorts in a glass encased terminal better. Please tell me what will be a sure test.

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